Donald M. Ostrander

Jim Rigberg is a seasoned business lawyer who provides end-to-end client representation in a variety of contexts. With particular expertise in the real estate and healthcare industries, Jim puts his years of courtroom experience to work advising clients on front-end strategies to secure optimal leverage and avoid exposure to costly litigation down the road. Jim also focuses his practice on Intellectual Property, where he helps clients protect their investments in their brands and creative out...

Gregory Janssen applies his business and tax background in his practice at Brownstein. He assists clients with a broad range of tax and corporate needs, including mergers and acquisitions, tax aspects of real estate transactions (including like-kind exchanges), partnership and corporation formation and taxation, tax controversies, tax-exempt organizations, tax lobbying, and other tax planning and advice for business entities and individuals.

Jennifer H. Weddle is the Co-Chair of Greenberg Traurig LLP's American Indian Law Practice and has wide-ranging experience in Indian law, handling a variety of matters for tribal and non-tribal clients. She has a dynamic, inter-disciplinary practice that centers on providing solutions for complex inter-jurisdictional problems. Much of her practice focuses in the areas of tribal jurisdiction, tribal economic development and natural resources development on tribal lands. Jennifer also has U.S. ...

Holly Baer Kammerer currently focuses her practice on personal injury, products liability, and commercial litigation. She has practiced law since 1992 and has vast experience in litigation and all trial-related aspects of personal injury cases and business disputes. After moving to Colorado from Washington, D.C., she has also practiced in the areas of family law, collections, insurance, mass tort, recreational vehicle, equine, and appeals. Ms. Kammerer joined Burg Simpson in 1996 and became a...

Monica L.C. Lester is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Monica L.C., who practices law in Denver, Colorado, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Monica L.C. is held by other top lawyers in the same geographic and legal practice area.

Cheryl F. Smith earned her Bachelor of Arts in Economics and Political Science at Lehigh University and her J.D. from New York Law School, where she earned the public service certificate and was on the Dean’s List. Prior to joining RWO, Cheryl worked in boutique law firms in New York City. Cheryl practices in the area of domestic relations. She understands that going through a divorce is difficult and approaches every case with the client’s best interest as her main focus. Her wor...

Troy A. Eid, the former U.S. Attorney for the District of Colorado, is a principal shareholder in the firm's Denver office. He has wide-ranging experience in complex federal, state and tribal litigation at the administrative, trial and appellate court level. Mr. Eid also handles a wide range of sensitive commercial transactions and disputes that require statutory, regulatory or administrative approval. Recent examples include: Spearheading the statutory review and community participation proc...

Patrick Miller is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Patrick, who practices law in Denver, Colorado, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patrick is held by other top lawyers in the same geographic and legal practice area.

Catherine Puttmann, Esq. is a founding shareholder at Sherr Puttmann Akins Lamb, PC. Ms. Puttmann received her B.A. in political science from the University of Colorado, Boulder in 1994, and her J.D. in 1997 from the University in Houston. Ms. Puttmann is an experienced litigator and negotiator. She was a criminal prosecutor with the 18th Judicial District from 1999 until 2005 when she moved to private practice, specializing in family law. Ms. Puttmann is an advocate for alternative dispute r...

Jennifer Seidman’s practice focuses on representing homeowners and homeowner associations in construction defect and defective building products cases. Her work includes cases involving structural failures and foundation movement, water intrusion and building envelope failures, building product defects, and design professional errors. Ms. Seidman appreciates how confusing the legal process can be for homeowners and association board members and strives to help homeowners and homeowner a...